 | | Journal (article/letter/editorial) | | SEPTEMBER_OCTOBER, 1959 NICKEL MINERALS FROM NEAR LINDEN, IOWA COUNTY, WISCONSIN* Ar,rBN V. Hnvr, Cu.qnrBs lVlrrrow...accessories in the Upper Mississippi Valley zinclead district of southwestern Wisconsin and northwestern...Illinois as well as at other localities in Wisconsin, Illinois, Iowa, Missouri, and Indiana. Millerite is the...southwest Wisconsin millerite is generaliy associated r,vith violarite and bravoite(?), and near Linden, Wis...quantities of nickel and cobalt in ores of the district. This led membersof the field party of the U. |  | | Report (volume) | | I "3 eq Geology of the Montfort and Linden Quadrangles Wisconsin QQ ^ o w QQ GEOLOGICAL SURVEY ...BULLETIN Prepared in cooperation with the o/ Wisconsin Geological Natural History Survey i o a O ...Montfort and Linden Quadrangles Wisconsin By JOHN E. CARLSON GEOLOGY OF PARTS OF THE UPPER MISSISSIPPI VALLEY...VALLEY ZINC-LEAD DISTRICT GEOLOGICAL SURVEY BULLETIN 1123-B 4* Prepared in cooperation with the State...State of Wisconsin Geological and Natural History Survey UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON |  | | Report (issue) | | The Geology of the Upper Mississippi Valley Zinc-Lead District By ALLEN V. HEYL, Jr., ALLEN F. AGNEW...cooperation with the Wisconsin Geological and Natural Histoyy Survey, the Iowa Geological Survey, and...Cultural development and facilities related to mining Field work and acknowledgments Scope of the report...geologic work in the district Geology Stratigraphy Precambrian rocks Cambrian system Upper Cambrian series...Platteville formation Decorah formation Galena dolomite Upper Ordovician series Maquoketa shale Silurian system |
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